We offer a custom thumb system that will make a "blueprint" of your thumb to allow us to copy your exact thumb specifications to every ball that you own.
Vise IT System
We also offer Vise's IT system for thumbs. This system is an interchangeable system that will give you one thumb that you can interchange with all of your balls in your arsenal.
Turbo 2-in-1's Switch Grip
Another possibility to use for your thumb would be Turbo 2-in-1's Switch Grip system. This system is similar to Vise's system for the interchangeable thumb.